Mechanical Fitter

About the company

Mercury is a leading European construction solutions provider. The company delivers and manages large, complex engineering and construction projects for major global businesses, supporting technology-driven and transformative developments that connect people, communities, and organisations.

Its project portfolio spans enterprise data centres, advanced technology, life sciences, hyperscale data centres, and fire protection. The organisation emphasises innovation, precision, and dependable delivery, while creating a supportive workplace where people can grow and reach their potential.

Role overview

This Mechanical Fitter position is based in Leixlip, County Kildare, Ireland. The role involves hands-on mechanical and pipework installation, testing, and commissioning support across construction and services environments.

Key responsibilities

• Carry out pipe bending, joining, fitting, inspection, testing, and fault diagnosis.
• Work with a range of materials and systems, including fuel storage and distribution, fire control, natural gas and LPG, cold and hot water systems, heating, sanitation, compressed air, steam pipework, and calorifiers.
• Install and maintain services such as cold water storage tanks, mains and hot water services, flues, watermains, and fire systems.
• Support pre-commissioning activities for plumbing, mechanical services, and air handling units.
• Handle industrial and process gases and liquids, medical gases, and electrical controls linked to heating and air conditioning systems.
• Read drawings and specifications, plan work, and perform set-out and measurement tasks.
• Carry out fabrication and joining tasks such as bracket fabrication, oxy-acetylene cutting and welding, bronze welding, soldering, MMA welding, and TIG welding.
• Use tools safely and effectively, and work with associated site activities such as scaffolding and rigging.

Required qualifications and experience

• National Craft Certificate is required.
• Safe Pass certification is required.
• Manual Handling certification is required.

Preferred attributes

• Strong communication skills.
• Ability to stay effective under pressure and meet strict deadlines.
• Capability to contribute to and drive large-scale projects.
• Previous construction-sector experience is desirable.

Equal opportunity statement

Mercury is committed to equal opportunities in hiring.